21x22x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies Package Includes:

Package Includes:

giving the roots plenty of space to grow before you have to take them out

This non-selective

It works with your existing nutrient program and growing medium

21x22x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies Package Includes:Nordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.